Grammar Skills

Page 334 exercise 39

Combine the following sentences by first using a gerund, tan infinitive, and finally it in a subject position. The first one is done for you.

1. She takes a math course every semester. This is difficult.

a) Taking a math course every semester is difficult.

b) To take a math course every semester is difficult.

c) It is difficult to take a math course every semester.

2. During the semester, she goes to class every day. This is good idea.

a) Going to class every day during the semester is a good idea.

b) To go to class every day during the semester is a good idea.

c) It is a good idea to go to class every day during the semester.

3. She takes notes as the professor does the sample problems on the board. This is useful.

a) Taking notes as the professor does the example problems on the board is useful.

b) To take notes as the professor does the example problems on the board is useful.

c) It is useful to take notes as the professor does the example on the board.

4. She does the homework problems regularly. This takes time.

a) Doing the homework problems regularly takes time.

b) To do the homework problems regularly takes time.

c) It takes time to do the homework problems regularly.

5. She turns the homework in every day. This gives her a sense of satisfaction.

a) Turning the homework in every day gives her a sense of satisfaction.

b) To turn the homework in every day gives her a sense of satisfaction.

c) It gives her a since of satisfaction to turn in the homework every day.

6. She gets good grades. This is the best rewards.

a) Getting good grades is the best reward.

b) To get good grades is the best reward.

c) It is the best reward to get good grades.

Page 312 exercise 25

1.For what purpose should you think about your intended major?

You should think about your intended major in order to choose a university that is well qualified and staffed in your major.

You should think about your intended major so what you can choose the best university with you major.

2.For what purpose should you visit different universities' Web sites?

You should visit different universities' Web sites so that you can learn how that university works and how the education it is.

3.For what purpose should you think about financial situation?

You should think about financial situation so that you can know how much money you can spend in the university

4.For what purpose should you find out financial aid?

You should find about financial aid so that you can spend less on your courses and materials for the university.

5.For what purpose should you find out about part-time jobs?

You should find about part-time jobs so that you  can get an extra money to pay the university courses.

Page 314 exercise 26

1.Biology systematically classifies living thing.

because of  I like to study of biology because of it systematic classification of living things.

so I like to study biology so i can learn about its systematically classification of living things.

thus I like to study biology thus i can learn of its systematically classification of living things.

2.Biology explains the characteristics of the living things.

because of  I like to study biology because of its explaining of all the characteristics of living things.

for  I like to study biology for the knowing of the characteristics of the living things.

therefore I like to study biology therefore it mention the characteristics of the living things.

3.Biology explains the interdependence of the living things.

so I like to study biology so it explains the interdependence of all living things.

as a result I like to study biology as a result i can know the interdependence of all living things.

since I like to study biology since it explained the interdependence of all living things.

4.Biology encourages curiosity and research.

consequently I like to study biology consequently encourages me curiosity and research.

for this reason I like to study biology for this reason encourages me curiosity and research.

because I like  to study biology because it encourage me curiosity and research.

Page 332 exercise 38

1.Physics is classified as a physical science.Chemistry is classified as a physical science.

both Chemistry and Physics both are physical sciences.

and Chemistry and Physics are physical sciences.

2.We cannot classify mathematics as a biological science. We cannot classify psychology as a physical science.

neither Mathematics isn't a biological science neither psychology is a physical science.

nor Mathematics isn't a biological science nor psychology is a physical science.

3.Botany and zoology are normally considered biological sciences. They are generally requirements for a B.S degree.

not only Not only botany and zoology are normally considered biological sciences, they are generally requirements for a B.S degree.

But also Botany and zoology are normally considered biological sciences but also they are generally requirements for a B.S degree.

4.All liberals arts majors have to take two physical science courses. Instead, all liberal arts major could take two biological science courses.

either All liberals arts majors have to take two physical science course either all liberal arts major could take two biological science courses.

or All liberals arts majors have to take two physical science courses or instead, all liberal arts major could take two biological science courses

5.In order to graduate, all students in college must take certain required courses. They have to take some electives.

not only In order to graduate, all students in college not only must take certain required courses they have to take some electives.

but also In order to graduate, all students in college must take certain required courses but also they have to take some electives.